21166144

素因数分解:

$2^6\times {\mathrm{330721}}^1$

素因数の和:330733

約数の個数: 14

約数和(自身を含む): 42001694

約数和(自身を除く): 20835550

約数列:

[1, 2, 4, 8, 16, 32, 64, 330721, 661442, 1322884, 2645768, 5291536, 10583072, 21166144]

約数ペア:

[(1, 21166144), (2, 10583072), (4, 5291536), (8, 2645768), (16, 1322884), (32, 661442), (64, 330721)]